20815690 ÷ 233 
Let's see how many times 233 fits into 20815690.

Moving on to step 1:
The number 233 fits into 2 0 times, leaving a remainder of 2.
The next digit of our result is 0. 
Result so far: 0.0
If we take 0 away from 2, we end up with 2.
Take the next digit (0) from the dividend and append it to 2, then repeat: 20 / 233

Going ahead to step 2:
The number 233 fits into 20 0 times, leaving a remainder of 20.
The next digit of our result is 0. 
Result so far: 0.0
The remainder is 20 after subtracting 0 from 20.
Fetch the next digit (8) from the dividend, attach it to 20 and continue: 208 / 233

Moving on to step 3:
If we divide 208 by 233, we get 0 and a remainder of 208.
Write down 0 as next digit of the result. 
Result so far: 0.0
Subtracting 0 from 208 leaves us with 208.
Include the next digit (1) from the dividend after 208, then repeat: 2081 / 233

Advancing to step 4:
2081 divided by 233 is 8 with a remainder of 217.
Write down 8 as next digit of the result. 
Result so far: 8.0
Subtracting 1864 from 2081 leaves us with 217.
Fetch the next digit (5) from the dividend, attach it to 217 and continue: 2175 / 233

Advancing to step 5:
233 can be fit into 2175 9 times, resulting in a remainder of 78.
Record the quotient 9 as the next digit in the result. 
Result so far: 89.0
Subtracting 2097 from 2175 leaves us with 78.
Include the next digit (6) from the dividend after 78, then repeat: 786 / 233

Step 6:
786 divided by 233 is 3 with a remainder of 87.
Write down 3 as next digit of the result. 
Result so far: 893.0
The remainder is 87 after subtracting 699 from 786.
Fetch the next digit (9) from the dividend, attach it to 87 and continue: 879 / 233

Step 7:
The number 233 fits into 879 3 times, leaving a remainder of 180.
The next digit of our result is 3. 
Result so far: 8933.0
If we take 699 away from 879, we end up with 180.
Take the next digit (0) from the dividend and append it to 180, then repeat: 1800 / 233

Advancing to step 8:
1800 divided by 233 is 7 with a remainder of 169.
Use 7 as the next digit of our solution. 
Result so far: 89337.0
If we subtract 1631 from 1800, we get 169.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1690, and continue the process.

Step 9:
When dividing 1690 by 233, we get 7 with a remainder of 59.
Record the quotient 7 as the next digit in the result. 
Result so far: 89337.7
Subtracting 1631 from 1690 leaves us with 59.
Since there are no more digits in the dividend, we add a zero to the remainder making it 590, and continue the process.

On to step 10:
If we divide 590 by 233, we get 2 and a remainder of 124.
Write down 2 as next digit of the result. 
Result so far: 89337.72
If we take 466 away from 590, we end up with 124.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1240, and continue the process.

Moving on to step 11:
1240 divided by 233 is 5 with a remainder of 75.
Put 5 as the next digit of the answer. 
Result so far: 89337.725
Subtract 1165 from 1240 to get 75.
Since there are no more digits in the dividend, we add a zero to the remainder making it 750, and continue the process.

On to step 12:
The number 233 fits into 750 3 times, leaving a remainder of 51.
Put 3 as the next digit of the answer. 
Result so far: 89337.7253
If we take 699 away from 750, we end up with 51.
Since there are no more digits in the dividend, we add a zero to the remainder making it 510, and continue the process.

On to step 13:
233 goes into 510 2 times with a remainder of 44.
The number 2 becomes the next digit in our result. 
Result so far: 89337.72532
If we take 466 away from 510, we end up with 44.
Since there are no more digits in the dividend, we add a zero to the remainder making it 440, and continue the process.

Going ahead to step 14:
If we divide 440 by 233, we get 1 and a remainder of 207.
Write down 1 as next digit of the result. 
Result so far: 89337.725321
If we subtract 233 from 440, we get 207.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2070, and continue the process.

Let's proceed to step 15:
If we divide 2070 by 233, we get 8 and a remainder of 206.
Use 8 as the next digit of our solution. 
Result so far: 89337.7253218
Deduct 1864 from 2070 and we're left with 206.
Since there are no more digits in the dividend, we add a zero to the remainder making it 2060, and continue the process.

Step 16:
233 goes into 2060 8 times with a remainder of 196.
Put 8 as the next digit of the answer. 
Result so far: 89337.72532188
Subtracting 1864 from 2060 leaves us with 196.
Since there are no more digits in the dividend, we add a zero to the remainder making it 1960, and continue the process.

The final outcome is 89337.72532188, with a leftover of 1.96e-07.